diff --git a/Lib/test/test_cgi.py b/Lib/test/test_cgi.py
index 9951e93..3031fb3 100644
--- a/Lib/test/test_cgi.py
+++ b/Lib/test/test_cgi.py
@@ -118,6 +118,11 @@
 
 class CgiTests(unittest.TestCase):
 
+    def test_escape(self):
+        self.assertEqual("test &amp; string", cgi.escape("test & string"))
+        self.assertEqual("&lt;test string&gt;", cgi.escape("<test string>"))
+        self.assertEqual("&quot;test string&quot;", cgi.escape('"test string"', True))
+
     def test_strict(self):
         for orig, expect in parse_strict_test_cases:
             # Test basic parsing